(rec :type :txt
:data (nreverse things)))))
+(eval-when (:load-toplevel :execute)
+ (dolist (item '((sshfp-algorithm rsa 1)
+ (sshfp-algorithm dsa 2)
+ (sshfp-algorithm ecdsa 3)
+ (sshfp-type sha-1 1)
+ (sshfp-type sha-256 2)))
+ (destructuring-bind (prop sym val) item
+ (setf (get sym prop) val)
+ (export sym))))
+
+(defzoneparse :sshfp (name data rec)
+ ":sshfp { FILENAME | ((FPR :alg ALG :type HASH)*) }"
+ (if (stringp data)
+ (with-open-file (in data)
+ (loop (let ((line (read-line in nil)))
+ (unless line (return))
+ (let ((words (str-split-words line)))
+ (pop words)
+ (when (string= (car words) "IN") (pop words))
+ (unless (and (string= (car words) "SSHFP")
+ (= (length words) 4))
+ (error "Invalid SSHFP record."))
+ (pop words)
+ (destructuring-bind (alg type fpr) words
+ (rec :data (list (parse-integer alg)
+ (parse-integer type)
+ fpr)))))))
+ (flet ((lookup (what prop)
+ (etypecase what
+ (fixnum what)
+ (symbol (or (get what prop)
+ (error "~S is not a known ~A" what prop))))))
+ (dolist (item (listify data)
+ (destructuring-bind (fpr &key (alg 'rsa) (type 'sha-1))
+ (listify item)
+ (rec :data (list (lookup alg 'sshfp-algorithm)
+ (lookup type 'sshfp-type)
+ fpr))))))))
+
(defzoneparse :mx (name data rec :zname zname)
":mx ((HOST :prio INT :ip IPADDR)*)"
(dolist (mx (listify data))
(:method ((type (eql :srv)) data)
(destructuring-bind (prio weight port host) data
(list "~2D ~5D ~5D ~A" prio weight port (bind-hostname host))))
+ (:method ((type (eql :sshfp)) data)
+ (cons "~2D ~2D ~A" data))
(:method ((type (eql :txt)) data)
(cons "~#[\"\"~;~S~:;(~@{~%~8T~S~} )~]"
(mapcar #'stringify (listify data)))))